curl --location --request POST '/v1.3/dynamic_ad_images/add' \
--header 'access_token: <ACCESS_TOKEN>' \
--header 'timestamp: <TIMESTAMP>' \
--header 'nonce: <NONCE>' \
--data-urlencode 'account_id=123' \
--data-urlencode 'product_catalog_id=1' \
--data-urlencode 'product_mode=MULTIPLE' \
--data-urlencode 'product_source=123' \
--data-urlencode 'dynamic_ad_template_size=SIZE_1280_720' \
--data-urlencode 'dynamic_ad_template_id=123456' \
--data-urlencode 'image_matting_enabled='{
"code": 0,
"message": "",
"message_cn": "",
"data": {
"image_id": "<IMAGE_ID>"
}
}